Hi, > I'd expect slice subscripts to be part of the sequence interface, and > yet they are not. In fact, they are part of the mapping interface. For > example, the list object has its slice get/set methods assigned to a > PyMappingMethods struct. So does a bytes object, and pretty much every > other object that wants to support subscripts.
It comes from: http://hg.python.org/cpython/rev/245224d1b8c9 http://bugs.python.org/issue400998 Written by Michael Hudson and reviewed by Guido. I wonder why this patch chose to add mapping protocol support to tuples and lists, rather than add a tp_ slot for extended slicing. Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com